*{
    padding: 0px;
    margin: 0px;
    // text-align: center;
    text-decoration: none;
    list-style: none;
}
html,body,#app{width: 100%;
                height: 100%;}
                

                .el-popup-parent--hidden{
                     overflow-y:scroll ;
                }
                .el-icon-arrow-down:before {
                    display: none;
                  }